https://www.illuminare-or.fr/Ext/Resources?a=5AImKiaXQzADMntIV4ay8…odeokVm2TzhsI9dJFxHKIihLSrQW1nhK8_YuZTWFwql

1/**************************/
2/*  Utility               */
3/**************************/
4
5var Utility = {
6
7    // FindObject by name
8    FindByName: function (Name, Object)
9    {
10        var element = null;
11        if (typeof Object != "object") throw "object must be typeof object";
12        for (var i = 0; i < Object.length; i++)
13        {
14            if (Object[i].hasOwnProperty("_Name") && Object[i]._Name == Name)
15            {
16                element = Object[i];
17                break;
18            }
19        }
20        return element;
21    }
22};
23
24// This is a simple implementation of the queue data structure (JS doesn't have queues)
25class Queue {
26    constructor() {
27        this.elements = [];
28        this.minIndex = 0;
29        this.maxIndex = -1;
30    }
31
32    Enqueue(element) {
33        this.elements.push(element);
34        this.maxIndex++;
35    }
36
37    Dequeue() {
38        if (this.minIndex <= this.maxIndex) {
39            const element = this.elements[this.minIndex++];
40            return element;
41        }
42    }
43
44    IsEmpty() {
45        return this.minIndex === this.maxIndex + 1;
46    }
47
48    Size() {
49        return this.maxIndex - this.minIndex + 1;
50    }
51}
52
53class ContentLoadingQueue {
54    constructor(maxNumberOfContentsBeingLoaded) {
55        this.numberOfContentsBeingLoaded = 0;
56        this.maxNumberOfContentsBeingLoaded = maxNumberOfContentsBeingLoaded;
57        this.queue = new Queue();
58    }
59
60    QueueTask(task) {
61        if (this.numberOfContentsBeingLoaded + 1 > this.maxNumberOfContentsBeingLoaded) {
62            this.queue.Enqueue(task);
63        } else {
64            this._Executetask(task);
65        }
66    }
67
68    async _Executetask(task) {
69        this.numberOfContentsBeingLoaded++;
70
71        await task();
72
73        if (!this.queue.IsEmpty()) {
74            const taskFromQueue = this.queue.Dequeue();
75            this._Executetask(taskFromQueue);
76        }
77        this.numberOfContentsBeingLoaded--;
78    }
79}
80
81window.GlobalContentLoadingQueue = new ContentLoadingQueue(300);